California Date Varieties Have More Total Dietary Fibers Both Soluble and Insoluble (P06-120-19)

生物利用度 消化(炼金术) 果胶 化学 膳食纤维 食品科学 生物化学 生物 色谱法 药理学
作者
Charlene Rainey,Emilia Alfaro‐Viquez,C. R. Krueger,Reed Jess
出处
期刊:Current developments in nutrition [Oxford University Press]
卷期号:3: nzz031.P06-19
标识
DOI:10.1093/cdn/nzz031.p06-120-19
摘要

The objective of this study was to analyze the TDF, soluble and insoluble fibers, comparing the results with the new analytical method and for minerals associated with fiber. This is the first reporting of date fibers comparing the methods of analysis. TDF methods AOAC 2011.25 methods were updated using Rapid Integrated (RI), a rapid digestion of 4 hours closely resembling human digestion. Testing was conducted at Medallion in Minneapolis, Minnesota. Equal part deglet noor and medjool varieties were analyzed by both methods. Minerals were tested by ICP Mass Spec Eurofin, Wisconsin. TDF for the new RI method yielded higher results than AOAC 2011.25 (8.7 mg vs 8.0 mg/100 g). Both soluble and insoluble are considered bioavailable, as they interact with the gut intestinal epithelial and intestinal microflora in the digestive process. Most of date TDF are insoluble 64% and 34% are soluble. The 0.7 mg increase in TDF comes mostly as Soluble. The new RI method and the AOAC 2011.25 Soluble were (3.1 vs 2.5 mg/100 g) respectively. The Insoluble Dietary Fibers showed a slight increase of (0.1 mg/100 g) with the new method at (5.6 vs 5.5 mg/100 g.) Calcium (62.5 mg/100 grams.) indicates cell wall pectin cross-linking. Selenium was (4.94 mg/100 g) and upregulates genes involved in building cell walls. Boron was (0.942 mg/100 g) which is involved with the elongation factor for cell walls. The new increased values of date Dietary Fibers and minerals linked to fiber show dates as a positive inclusion in diets. Dates have been shown to have many health benefits including decrease the risk of colon cancer. California Date Commission, Indio, California, provided an unrestricted grant to fund this research.

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